Home / 13,836.32-20,754.48-11,853.44

Finding the Fourth Proportional to 13,836.32, 20,754.48 and 11,853.44

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Solution

The fourth proportional to 13,836.32, 20,754.48 and 11,853.44 is: 17,780.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.32 : 20,754.48 = 11,853.44 : x
  2. Step 2: Convert to fraction form
    13,836.32/20,754.48 = 11,853.44/x
  3. Step 3: Cross multiply
    13,836.32x = 20,754.48 × 11,853.44
  4. Step 4: Simplify right side
    13,836.32x = 246,011,983.41
  5. Step 5: Solve for x
    x = 246,011,983.41/13,836.32
  6. Step 6: Final answer
    x = 17,780.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.